125245340 has 96 divisors (see below), whose sum is σ = 306512640. Its totient is φ = 42626880.

The previous prime is 125245313. The next prime is 125245343. The reversal of 125245340 is 43542521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1508939 + ... + 1509021.

It is an arithmetic number, because the mean of its divisors is an integer number (3192840).

Almost surely, 2^125245340 is an apocalyptic number.

125245340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153256320).

125245340 is an abundant number, since it is smaller than the sum of its proper divisors (181267300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125245340 is a wasteful number, since it uses less digits than its factorization.

125245340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125245340 is about 11191.3064474171. The cubic root of 125245340 is about 500.3269062181.

Adding to 125245340 its reverse (43542521), we get a palindrome (168787861).

The spelling of 125245340 in words is "one hundred twenty-five million, two hundred forty-five thousand, three hundred forty".